2123166003 has 8 divisors (see below), whose sum is σ = 3235300608. Its totient is φ = 1213237704.

The previous prime is 2123165999. The next prime is 2123166007. The reversal of 2123166003 is 3006613212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2123165999) and next prime (2123166007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123166003 - 2² = 2123165999 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2123166007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50551551 + ... + 50551592.

It is an arithmetic number, because the mean of its divisors is an integer number (404412576).

Almost surely, 2^2123166003 is an apocalyptic number.

2123166003 is a deficient number, since it is larger than the sum of its proper divisors (1112134605).

2123166003 is a wasteful number, since it uses less digits than its factorization.

2123166003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101103153.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2123166003 is about 46077.8255020785. The cubic root of 2123166003 is about 1285.2708282687.

Adding to 2123166003 its reverse (3006613212), we get a palindrome (5129779215).

The spelling of 2123166003 in words is "two billion, one hundred twenty-three million, one hundred sixty-six thousand, three".